diff --git a/phase_shift_oscil/img/after_amp.png b/phase_shift_oscil/img/after_amp.png
new file mode 100644
index 0000000..fef35b9
Binary files /dev/null and b/phase_shift_oscil/img/after_amp.png differ
diff --git a/phase_shift_oscil/img/sim_cap.png b/phase_shift_oscil/img/sim_cap.png
index 40f9f88..730fceb 100644
Binary files a/phase_shift_oscil/img/sim_cap.png and b/phase_shift_oscil/img/sim_cap.png differ
diff --git a/phase_shift_oscil/phase_shift_oscil_caps.kicad_pro b/phase_shift_oscil/phase_shift_oscil_caps.kicad_pro
index 99e0f14..923a2c9 100644
--- a/phase_shift_oscil/phase_shift_oscil_caps.kicad_pro
+++ b/phase_shift_oscil/phase_shift_oscil_caps.kicad_pro
@@ -294,7 +294,7 @@
       "meta": {
         "version": 0
       },
-      "model_mode": 0,
+      "model_mode": 4,
       "workbook_filename": ""
     },
     "page_layout_descr_file": "",
diff --git a/phase_shift_oscil/phase_shift_oscil_caps.kicad_sch b/phase_shift_oscil/phase_shift_oscil_caps.kicad_sch
index 7cf3d02..7f1f3bc 100644
--- a/phase_shift_oscil/phase_shift_oscil_caps.kicad_sch
+++ b/phase_shift_oscil/phase_shift_oscil_caps.kicad_sch
@@ -139,6 +139,154 @@
         )
       )
     )
+    (symbol "Simulation_SPICE:OPAMP" (pin_names (offset 0.254)) (in_bom yes) (on_board yes)
+      (property "Reference" "U" (at 3.81 3.175 0)
+        (effects (font (size 1.27 1.27)) (justify left))
+      )
+      (property "Value" "${SIM.PARAMS}" (at 3.81 -3.175 0)
+        (effects (font (size 1.27 1.27)) (justify left))
+      )
+      (property "Footprint" "" (at 0 0 0)
+        (effects (font (size 1.27 1.27)) hide)
+      )
+      (property "Datasheet" "~" (at 0 0 0)
+        (effects (font (size 1.27 1.27)) hide)
+      )
+      (property "Sim.Pins" "1=in+ 2=in- 3=vcc 4=vee 5=out" (at 0 0 0)
+        (effects (font (size 1.27 1.27)) hide)
+      )
+      (property "Sim.Device" "SUBCKT" (at 0 0 0)
+        (effects (font (size 1.27 1.27)) (justify left) hide)
+      )
+      (property "Sim.Library" "${KICAD7_SYMBOL_DIR}/Simulation_SPICE.sp" (at 0 0 0)
+        (effects (font (size 1.27 1.27)) hide)
+      )
+      (property "Sim.Name" "kicad_builtin_opamp" (at 0 0 0)
+        (effects (font (size 1.27 1.27)) hide)
+      )
+      (property "ki_keywords" "simulation" (at 0 0 0)
+        (effects (font (size 1.27 1.27)) hide)
+      )
+      (property "ki_description" "Operational amplifier, single, node sequence=1:+ 2:- 3:OUT 4:V+ 5:V-" (at 0 0 0)
+        (effects (font (size 1.27 1.27)) hide)
+      )
+      (symbol "OPAMP_0_1"
+        (polyline
+          (pts
+            (xy 5.08 0)
+            (xy -5.08 5.08)
+            (xy -5.08 -5.08)
+            (xy 5.08 0)
+          )
+          (stroke (width 0.254) (type default))
+          (fill (type background))
+        )
+      )
+      (symbol "OPAMP_1_1"
+        (pin input line (at -7.62 2.54 0) (length 2.54)
+          (name "+" (effects (font (size 1.27 1.27))))
+          (number "1" (effects (font (size 1.27 1.27))))
+        )
+        (pin input line (at -7.62 -2.54 0) (length 2.54)
+          (name "-" (effects (font (size 1.27 1.27))))
+          (number "2" (effects (font (size 1.27 1.27))))
+        )
+        (pin power_in line (at -2.54 7.62 270) (length 3.81)
+          (name "V+" (effects (font (size 1.27 1.27))))
+          (number "3" (effects (font (size 1.27 1.27))))
+        )
+        (pin power_in line (at -2.54 -7.62 90) (length 3.81)
+          (name "V-" (effects (font (size 1.27 1.27))))
+          (number "4" (effects (font (size 1.27 1.27))))
+        )
+        (pin output line (at 7.62 0 180) (length 2.54)
+          (name "~" (effects (font (size 1.27 1.27))))
+          (number "5" (effects (font (size 1.27 1.27))))
+        )
+      )
+    )
+    (symbol "Simulation_SPICE:VDC" (pin_numbers hide) (pin_names (offset 0.0254)) (in_bom yes) (on_board yes)
+      (property "Reference" "V" (at 2.54 2.54 0)
+        (effects (font (size 1.27 1.27)) (justify left))
+      )
+      (property "Value" "1" (at 2.54 0 0)
+        (effects (font (size 1.27 1.27)) (justify left))
+      )
+      (property "Footprint" "" (at 0 0 0)
+        (effects (font (size 1.27 1.27)) hide)
+      )
+      (property "Datasheet" "~" (at 0 0 0)
+        (effects (font (size 1.27 1.27)) hide)
+      )
+      (property "Sim.Pins" "1=+ 2=-" (at 0 0 0)
+        (effects (font (size 1.27 1.27)) hide)
+      )
+      (property "Sim.Type" "DC" (at 0 0 0)
+        (effects (font (size 1.27 1.27)) hide)
+      )
+      (property "Sim.Device" "V" (at 0 0 0)
+        (effects (font (size 1.27 1.27)) (justify left) hide)
+      )
+      (property "ki_keywords" "simulation" (at 0 0 0)
+        (effects (font (size 1.27 1.27)) hide)
+      )
+      (property "ki_description" "Voltage source, DC" (at 0 0 0)
+        (effects (font (size 1.27 1.27)) hide)
+      )
+      (symbol "VDC_0_0"
+        (polyline
+          (pts
+            (xy -1.27 0.254)
+            (xy 1.27 0.254)
+          )
+          (stroke (width 0) (type default))
+          (fill (type none))
+        )
+        (polyline
+          (pts
+            (xy -0.762 -0.254)
+            (xy -1.27 -0.254)
+          )
+          (stroke (width 0) (type default))
+          (fill (type none))
+        )
+        (polyline
+          (pts
+            (xy 0.254 -0.254)
+            (xy -0.254 -0.254)
+          )
+          (stroke (width 0) (type default))
+          (fill (type none))
+        )
+        (polyline
+          (pts
+            (xy 1.27 -0.254)
+            (xy 0.762 -0.254)
+          )
+          (stroke (width 0) (type default))
+          (fill (type none))
+        )
+        (text "+" (at 0 1.905 0)
+          (effects (font (size 1.27 1.27)))
+        )
+      )
+      (symbol "VDC_0_1"
+        (circle (center 0 0) (radius 2.54)
+          (stroke (width 0.254) (type default))
+          (fill (type background))
+        )
+      )
+      (symbol "VDC_1_1"
+        (pin passive line (at 0 5.08 270) (length 2.54)
+          (name "~" (effects (font (size 1.27 1.27))))
+          (number "1" (effects (font (size 1.27 1.27))))
+        )
+        (pin passive line (at 0 -5.08 90) (length 2.54)
+          (name "~" (effects (font (size 1.27 1.27))))
+          (number "2" (effects (font (size 1.27 1.27))))
+        )
+      )
+    )
     (symbol "Simulation_SPICE:VSIN" (pin_numbers hide) (pin_names (offset 0.0254)) (in_bom yes) (on_board yes)
       (property "Reference" "V" (at 2.54 2.54 0)
         (effects (font (size 1.27 1.27)) (justify left))
@@ -202,148 +350,490 @@
     )
   )
 
-  (junction (at 120.65 102.87) (diameter 0) (color 0 0 0 0)
-    (uuid 351f6d07-1e76-45a9-b4cd-b5761c4e54d1)
+  (junction (at 119.38 88.9) (diameter 0) (color 0 0 0 0)
+    (uuid 1bbf229e-014c-4775-aa8c-b72c978a980f)
   )
-  (junction (at 147.32 102.87) (diameter 0) (color 0 0 0 0)
-    (uuid b4f2a876-d059-4748-bdd0-2cc3b0ba39d1)
+  (junction (at 93.98 48.26) (diameter 0) (color 0 0 0 0)
+    (uuid 2d758ea0-a816-466f-9c88-31cba4649b90)
   )
-  (junction (at 200.66 102.87) (diameter 0) (color 0 0 0 0)
-    (uuid b52f9dc9-ea35-4314-8cb5-0481c51fae95)
+  (junction (at 199.39 88.9) (diameter 0) (color 0 0 0 0)
+    (uuid 33b5418d-a98a-4783-a5b0-2af434d2ca30)
   )
-  (junction (at 173.99 102.87) (diameter 0) (color 0 0 0 0)
-    (uuid f462dbd3-3dd7-498d-be54-053dc28628e8)
+  (junction (at 68.58 63.5) (diameter 0) (color 0 0 0 0)
+    (uuid 37df4d06-9656-42f4-815a-5fe01bcbd842)
+  )
+  (junction (at 68.58 104.14) (diameter 0) (color 0 0 0 0)
+    (uuid 61c3091f-5626-4a0e-8262-4c875f8bc5f9)
+  )
+  (junction (at 172.72 88.9) (diameter 0) (color 0 0 0 0)
+    (uuid 79cf4412-90bc-47fc-8e7a-931e02f87481)
+  )
+  (junction (at 146.05 48.26) (diameter 0) (color 0 0 0 0)
+    (uuid 8280429c-9e12-4461-bde0-5c29ef2c729b)
+  )
+  (junction (at 199.39 48.26) (diameter 0) (color 0 0 0 0)
+    (uuid 8bcf6488-4634-4b48-be4a-e22b7e47ddad)
+  )
+  (junction (at 93.98 88.9) (diameter 0) (color 0 0 0 0)
+    (uuid a7b3bf94-bde1-4386-a03e-e73640aaf9fd)
+  )
+  (junction (at 146.05 88.9) (diameter 0) (color 0 0 0 0)
+    (uuid b16f5da3-8886-4da2-aeb0-af0e153bb701)
+  )
+  (junction (at 172.72 48.26) (diameter 0) (color 0 0 0 0)
+    (uuid b453e4c5-a500-4fc4-9e24-6997be99f676)
+  )
+  (junction (at 119.38 48.26) (diameter 0) (color 0 0 0 0)
+    (uuid c46ce431-ddff-48c1-85cd-7916f7ab4149)
   )
 
-  (wire (pts (xy 137.16 102.87) (xy 147.32 102.87))
+  (wire (pts (xy 146.05 99.06) (xy 146.05 104.14))
     (stroke (width 0) (type default))
-    (uuid 1683ad5b-f2ba-418c-a3c4-0d5262585eed)
+    (uuid 03878581-00e6-4a82-9ac4-9523d16f4890)
   )
-  (wire (pts (xy 93.98 102.87) (xy 102.87 102.87))
+  (wire (pts (xy 146.05 88.9) (xy 154.94 88.9))
     (stroke (width 0) (type default))
-    (uuid 1a72322b-6c62-464d-b196-1e92b38e75bc)
+    (uuid 0a36d1f6-7c83-4cef-9af9-8cf4088f34fd)
   )
-  (wire (pts (xy 173.99 102.87) (xy 173.99 105.41))
+  (wire (pts (xy 68.58 91.44) (xy 68.58 104.14))
     (stroke (width 0) (type default))
-    (uuid 21c7ff36-3f27-496a-962a-36d6fb0db6b3)
+    (uuid 0d34b3bd-6098-4a17-b084-ea76ac1e45b4)
   )
-  (wire (pts (xy 173.99 102.87) (xy 182.88 102.87))
+  (wire (pts (xy 199.39 99.06) (xy 199.39 104.14))
     (stroke (width 0) (type default))
-    (uuid 2468b111-2882-424e-bf60-091410b5cc4a)
+    (uuid 10d0eeeb-f957-465c-a8a4-dc74235fa6d5)
   )
-  (wire (pts (xy 147.32 113.03) (xy 147.32 118.11))
+  (wire (pts (xy 135.89 48.26) (xy 146.05 48.26))
     (stroke (width 0) (type default))
-    (uuid 28cc1228-2195-4c96-aa17-b2188f2135e8)
+    (uuid 11456d37-eefb-4562-911f-3e7aa5b9ca82)
   )
-  (wire (pts (xy 190.5 102.87) (xy 200.66 102.87))
+  (wire (pts (xy 68.58 114.3) (xy 68.58 116.84))
     (stroke (width 0) (type default))
-    (uuid 2e750e10-031b-4c18-8abe-023855e59dd3)
+    (uuid 118ee224-32ba-4e10-959f-9cc94fff2b31)
   )
-  (wire (pts (xy 200.66 102.87) (xy 205.74 102.87))
+  (wire (pts (xy 146.05 88.9) (xy 146.05 91.44))
     (stroke (width 0) (type default))
-    (uuid 3efe330a-d6d5-4dc2-9165-6c51c3c726c0)
+    (uuid 1548b263-700a-4e23-a2b3-815493690317)
   )
-  (wire (pts (xy 120.65 113.03) (xy 120.65 118.11))
+  (wire (pts (xy 135.89 88.9) (xy 146.05 88.9))
     (stroke (width 0) (type default))
-    (uuid 45960d4d-00cd-4cf5-95b2-cc7441b50145)
+    (uuid 26d61de5-a929-4882-a3a8-b84005f658a6)
   )
-  (wire (pts (xy 173.99 113.03) (xy 173.99 118.11))
+  (wire (pts (xy 68.58 63.5) (xy 68.58 66.04))
     (stroke (width 0) (type default))
-    (uuid 9bc19131-1c5a-43e0-b885-6a51a61cd2da)
+    (uuid 28601caf-96f7-4a1b-93bf-c9840e643854)
   )
-  (wire (pts (xy 120.65 102.87) (xy 120.65 105.41))
+  (wire (pts (xy 199.39 58.42) (xy 199.39 63.5))
     (stroke (width 0) (type default))
-    (uuid b8bdc331-e1ca-47aa-b08f-6c72233b3ff3)
+    (uuid 2bcc361a-86ec-4faa-875b-1da03e035fb7)
   )
-  (wire (pts (xy 200.66 102.87) (xy 200.66 105.41))
+  (wire (pts (xy 119.38 99.06) (xy 119.38 104.14))
     (stroke (width 0) (type default))
-    (uuid b8c2df64-0087-44a7-a526-845089e37dcd)
+    (uuid 2f504f7a-8d68-4ff2-aec5-5a8f06ed5259)
   )
-  (wire (pts (xy 147.32 102.87) (xy 147.32 105.41))
+  (wire (pts (xy 162.56 48.26) (xy 172.72 48.26))
     (stroke (width 0) (type default))
-    (uuid c28217e5-8f75-41fb-a12b-7926b0f4d7d5)
+    (uuid 2f826c3f-0519-453a-b8e5-1ab3542ce088)
   )
-  (wire (pts (xy 163.83 102.87) (xy 173.99 102.87))
+  (wire (pts (xy 146.05 48.26) (xy 154.94 48.26))
     (stroke (width 0) (type default))
-    (uuid d55d3c4c-53fd-4727-9945-cbd939f5e8cd)
+    (uuid 36347e5e-6d03-4362-bd05-836e77fdc0d2)
   )
-  (wire (pts (xy 147.32 102.87) (xy 156.21 102.87))
+  (wire (pts (xy 68.58 104.14) (xy 68.58 106.68))
     (stroke (width 0) (type default))
-    (uuid d780e6c0-55ce-4ca5-938c-e1b447a8c275)
+    (uuid 36b7ffec-40c3-4ffa-9e98-55db98fabe39)
   )
-  (wire (pts (xy 200.66 113.03) (xy 200.66 118.11))
+  (wire (pts (xy 93.98 63.5) (xy 93.98 48.26))
     (stroke (width 0) (type default))
-    (uuid d81e0e97-f8b8-40fd-9ead-c8a181a1a830)
+    (uuid 3e28a967-8d6b-4d9d-95af-982e04a38f43)
   )
-  (wire (pts (xy 120.65 102.87) (xy 129.54 102.87))
+  (wire (pts (xy 109.22 88.9) (xy 119.38 88.9))
     (stroke (width 0) (type default))
-    (uuid dd0b14f6-18ad-46b1-a982-13246e4cf379)
+    (uuid 4130c66b-6064-434f-adf0-4aee796eece8)
   )
-  (wire (pts (xy 110.49 102.87) (xy 120.65 102.87))
+  (wire (pts (xy 101.6 88.9) (xy 93.98 88.9))
     (stroke (width 0) (type default))
-    (uuid f8d55430-9a06-4c2c-b1ca-78aad7f5c4d3)
+    (uuid 450a96f4-5f1c-4ecb-9204-e0245362a0da)
+  )
+  (wire (pts (xy 199.39 88.9) (xy 204.47 88.9))
+    (stroke (width 0) (type default))
+    (uuid 4e696688-ef51-4381-ac6f-dde773148978)
+  )
+  (wire (pts (xy 101.6 48.26) (xy 93.98 48.26))
+    (stroke (width 0) (type default))
+    (uuid 53009f18-68b3-4894-b825-f7af6db00459)
+  )
+  (wire (pts (xy 172.72 88.9) (xy 172.72 91.44))
+    (stroke (width 0) (type default))
+    (uuid 56653efc-b906-4c21-b5a8-ad7f8efaf5d1)
+  )
+  (wire (pts (xy 189.23 88.9) (xy 199.39 88.9))
+    (stroke (width 0) (type default))
+    (uuid 5990b4ca-1c5c-435e-ab93-4ba5852e2a95)
+  )
+  (wire (pts (xy 93.98 104.14) (xy 93.98 88.9))
+    (stroke (width 0) (type default))
+    (uuid 69a73719-0393-4c44-b81d-5f6a88bf1d04)
+  )
+  (wire (pts (xy 146.05 58.42) (xy 146.05 63.5))
+    (stroke (width 0) (type default))
+    (uuid 6ddb7e0b-874d-460c-862b-aa71e9e105fc)
+  )
+  (wire (pts (xy 119.38 48.26) (xy 128.27 48.26))
+    (stroke (width 0) (type default))
+    (uuid 6e791b78-773b-46ca-9068-7e4eecf54346)
+  )
+  (wire (pts (xy 68.58 104.14) (xy 80.01 104.14))
+    (stroke (width 0) (type default))
+    (uuid 7187370b-ddca-4671-838c-cb9336c4fb75)
+  )
+  (wire (pts (xy 199.39 88.9) (xy 199.39 91.44))
+    (stroke (width 0) (type default))
+    (uuid 79b3a228-412f-4be9-b501-529e680d9c03)
+  )
+  (wire (pts (xy 87.63 104.14) (xy 93.98 104.14))
+    (stroke (width 0) (type default))
+    (uuid 7e580124-673e-4a42-a2f7-b895eb340a63)
+  )
+  (wire (pts (xy 172.72 48.26) (xy 172.72 50.8))
+    (stroke (width 0) (type default))
+    (uuid 8258cac2-7fa8-443d-87a0-89a9cfe1375a)
+  )
+  (wire (pts (xy 119.38 48.26) (xy 119.38 50.8))
+    (stroke (width 0) (type default))
+    (uuid 88885039-5789-4207-8ef9-7bf85cfb0156)
+  )
+  (wire (pts (xy 68.58 63.5) (xy 80.01 63.5))
+    (stroke (width 0) (type default))
+    (uuid 88ed3be7-30a4-4454-8d58-b3a35e7367d8)
+  )
+  (wire (pts (xy 78.74 91.44) (xy 68.58 91.44))
+    (stroke (width 0) (type default))
+    (uuid 9abac342-08f0-481d-a88b-b6cf6c5365d4)
+  )
+  (wire (pts (xy 199.39 48.26) (xy 199.39 50.8))
+    (stroke (width 0) (type default))
+    (uuid a627d98f-6ee1-42d4-9495-543d18e7896f)
+  )
+  (wire (pts (xy 146.05 48.26) (xy 146.05 50.8))
+    (stroke (width 0) (type default))
+    (uuid a8c17652-8087-4245-b3f7-3f5ef5db6585)
+  )
+  (wire (pts (xy 109.22 48.26) (xy 119.38 48.26))
+    (stroke (width 0) (type default))
+    (uuid b8052047-e8a8-43ae-a530-33696ab91203)
+  )
+  (wire (pts (xy 68.58 73.66) (xy 68.58 76.2))
+    (stroke (width 0) (type default))
+    (uuid ba6a35d5-6c3f-4beb-8e5c-2c3bb4f518b3)
+  )
+  (wire (pts (xy 119.38 88.9) (xy 119.38 91.44))
+    (stroke (width 0) (type default))
+    (uuid c5aaa4fb-92fc-4aad-af60-0b517fa3fbf0)
+  )
+  (wire (pts (xy 172.72 88.9) (xy 181.61 88.9))
+    (stroke (width 0) (type default))
+    (uuid d134187a-37e3-48aa-a370-80cbd9c3145e)
+  )
+  (wire (pts (xy 172.72 48.26) (xy 181.61 48.26))
+    (stroke (width 0) (type default))
+    (uuid d39b2b6c-47d4-4b24-a0dc-47c130789bc1)
+  )
+  (wire (pts (xy 199.39 48.26) (xy 204.47 48.26))
+    (stroke (width 0) (type default))
+    (uuid d776abbe-7a39-4b2a-b158-f31882d62f41)
+  )
+  (wire (pts (xy 68.58 50.8) (xy 68.58 63.5))
+    (stroke (width 0) (type default))
+    (uuid d8d53e37-982b-4cc1-a7ae-2d77339eee4b)
+  )
+  (wire (pts (xy 172.72 58.42) (xy 172.72 63.5))
+    (stroke (width 0) (type default))
+    (uuid dd10db16-42e8-4292-a0a2-03c9ef94f6f8)
+  )
+  (wire (pts (xy 87.63 63.5) (xy 93.98 63.5))
+    (stroke (width 0) (type default))
+    (uuid de9b637f-e556-4b4e-9fe6-a7fae25d18b0)
+  )
+  (wire (pts (xy 119.38 88.9) (xy 128.27 88.9))
+    (stroke (width 0) (type default))
+    (uuid e33a080d-c480-4a1f-9695-2e5f88ed7f35)
+  )
+  (wire (pts (xy 172.72 99.06) (xy 172.72 104.14))
+    (stroke (width 0) (type default))
+    (uuid eeff6fc5-b95c-4b0b-b03d-c01f6f99f65d)
+  )
+  (wire (pts (xy 189.23 48.26) (xy 199.39 48.26))
+    (stroke (width 0) (type default))
+    (uuid f0af1038-a066-4893-8e30-a9e6f35bac23)
+  )
+  (wire (pts (xy 162.56 88.9) (xy 172.72 88.9))
+    (stroke (width 0) (type default))
+    (uuid f67b9545-0988-48d6-926e-f3132d325c9a)
+  )
+  (wire (pts (xy 119.38 58.42) (xy 119.38 63.5))
+    (stroke (width 0) (type default))
+    (uuid fccb1899-1b61-400f-9e41-7119e85bd1a2)
+  )
+  (wire (pts (xy 78.74 50.8) (xy 68.58 50.8))
+    (stroke (width 0) (type default))
+    (uuid ff5055c9-bb70-4835-b6a1-88ba88021b68)
   )
 
-  (label "stage_2" (at 147.32 102.87 0) (fields_autoplaced)
+  (label "stage_5" (at 146.05 88.9 0) (fields_autoplaced)
     (effects (font (size 1.27 1.27)) (justify left bottom))
-    (uuid 08dbbbdf-ea1a-4af9-8b78-1bdb2948b986)
+    (uuid 01c76a5c-5782-420e-8fbf-3b3914ff12fe)
   )
-  (label "stage_3" (at 173.99 102.87 0) (fields_autoplaced)
+  (label "stage_2" (at 146.05 48.26 0) (fields_autoplaced)
     (effects (font (size 1.27 1.27)) (justify left bottom))
-    (uuid 29197ae5-0e1f-4b7d-a96f-6baca6f4a4eb)
+    (uuid 0cd366d5-a2f3-4305-8d14-cfde26594dc2)
   )
-  (label "stage_1" (at 120.65 102.87 0) (fields_autoplaced)
+  (label "stage_3" (at 172.72 48.26 0) (fields_autoplaced)
     (effects (font (size 1.27 1.27)) (justify left bottom))
-    (uuid b482a34f-a483-45e9-947c-5ebe2b39be54)
+    (uuid 12512082-9f63-471f-9fab-0727dbfab979)
+  )
+  (label "stage_4" (at 119.38 88.9 0) (fields_autoplaced)
+    (effects (font (size 1.27 1.27)) (justify left bottom))
+    (uuid 7daa7597-23e6-403e-97bf-7b38117e22f3)
+  )
+  (label "stage_6" (at 172.72 88.9 0) (fields_autoplaced)
+    (effects (font (size 1.27 1.27)) (justify left bottom))
+    (uuid a3c7c968-1b93-4f79-b8df-beb50a7635cd)
+  )
+  (label "1st_amp" (at 93.98 48.26 0) (fields_autoplaced)
+    (effects (font (size 1.27 1.27)) (justify left bottom))
+    (uuid d225e529-138b-4129-8b39-e38c9ff04866)
+  )
+  (label "2nd_amp" (at 93.98 88.9 0) (fields_autoplaced)
+    (effects (font (size 1.27 1.27)) (justify left bottom))
+    (uuid d7d0cabd-be7b-48ed-8058-b7416eff5826)
+  )
+  (label "stage_1" (at 119.38 48.26 0) (fields_autoplaced)
+    (effects (font (size 1.27 1.27)) (justify left bottom))
+    (uuid e2db3788-54dc-4248-9caf-db3f802bc295)
   )
 
-  (global_label "Vout" (shape input) (at 205.74 102.87 0) (fields_autoplaced)
-    (effects (font (size 1.27 1.27)) (justify left))
-    (uuid 0bdf07a4-2ad7-44aa-9de6-3ec10e44f756)
-    (property "Intersheetrefs" "${INTERSHEET_REFS}" (at 212.8375 102.87 0)
-      (effects (font (size 1.27 1.27)) (justify left) hide)
-    )
-  )
-  (global_label "Vin" (shape input) (at 88.9 127 90) (fields_autoplaced)
-    (effects (font (size 1.27 1.27)) (justify left))
-    (uuid 2862f6e5-be56-438a-bb5b-daef09d14a6a)
-    (property "Intersheetrefs" "${INTERSHEET_REFS}" (at 88.9 121.1724 90)
-      (effects (font (size 1.27 1.27)) (justify left) hide)
-    )
-  )
-  (global_label "Vin" (shape input) (at 93.98 102.87 180) (fields_autoplaced)
+  (global_label "180_out" (shape input) (at 78.74 86.36 180) (fields_autoplaced)
     (effects (font (size 1.27 1.27)) (justify right))
-    (uuid f3aa1da7-496b-4bc0-bb63-98ec3a56c9a1)
-    (property "Intersheetrefs" "${INTERSHEET_REFS}" (at 88.1524 102.87 0)
+    (uuid 0d14e42d-a9f2-4ca7-8c3f-029e15f2cc2b)
+    (property "Intersheetrefs" "${INTERSHEET_REFS}" (at 68.135 86.36 0)
       (effects (font (size 1.27 1.27)) (justify right) hide)
     )
   )
+  (global_label "Vin" (shape input) (at 97.79 127 90) (fields_autoplaced)
+    (effects (font (size 1.27 1.27)) (justify left))
+    (uuid 2862f6e5-be56-438a-bb5b-daef09d14a6a)
+    (property "Intersheetrefs" "${INTERSHEET_REFS}" (at 97.79 121.1724 90)
+      (effects (font (size 1.27 1.27)) (justify left) hide)
+    )
+  )
+  (global_label "Vdd" (shape input) (at 83.82 40.64 90) (fields_autoplaced)
+    (effects (font (size 1.27 1.27)) (justify left))
+    (uuid 3851e3d5-9796-4595-9c01-6bebe7faf715)
+    (property "Intersheetrefs" "${INTERSHEET_REFS}" (at 83.82 34.2682 90)
+      (effects (font (size 1.27 1.27)) (justify left) hide)
+    )
+  )
+  (global_label "Vss" (shape input) (at 83.82 55.88 270) (fields_autoplaced)
+    (effects (font (size 1.27 1.27)) (justify right))
+    (uuid 3d2ade16-60c3-4a9f-ba40-cba3c4a54094)
+    (property "Intersheetrefs" "${INTERSHEET_REFS}" (at 83.82 62.01 90)
+      (effects (font (size 1.27 1.27)) (justify right) hide)
+    )
+  )
+  (global_label "Vdd" (shape input) (at 76.2 127 90) (fields_autoplaced)
+    (effects (font (size 1.27 1.27)) (justify left))
+    (uuid 50884a6e-3ea1-4cad-8ece-19aa349cdd5d)
+    (property "Intersheetrefs" "${INTERSHEET_REFS}" (at 76.2 120.6282 90)
+      (effects (font (size 1.27 1.27)) (justify left) hide)
+    )
+  )
+  (global_label "Vdd" (shape input) (at 83.82 81.28 90) (fields_autoplaced)
+    (effects (font (size 1.27 1.27)) (justify left))
+    (uuid 861cc2f4-8d95-4d2d-a746-000ceb8dcc81)
+    (property "Intersheetrefs" "${INTERSHEET_REFS}" (at 83.82 74.9082 90)
+      (effects (font (size 1.27 1.27)) (justify left) hide)
+    )
+  )
+  (global_label "180_out" (shape input) (at 204.47 48.26 0) (fields_autoplaced)
+    (effects (font (size 1.27 1.27)) (justify left))
+    (uuid 92727197-72e5-4535-bf9f-6900a298cae4)
+    (property "Intersheetrefs" "${INTERSHEET_REFS}" (at 215.075 48.26 0)
+      (effects (font (size 1.27 1.27)) (justify left) hide)
+    )
+  )
+  (global_label "Vss" (shape input) (at 83.82 96.52 270) (fields_autoplaced)
+    (effects (font (size 1.27 1.27)) (justify right))
+    (uuid 94ad1442-3b49-4eb9-9e11-44b995bf010e)
+    (property "Intersheetrefs" "${INTERSHEET_REFS}" (at 83.82 102.65 90)
+      (effects (font (size 1.27 1.27)) (justify right) hide)
+    )
+  )
+  (global_label "Vin" (shape input) (at 78.74 45.72 180) (fields_autoplaced)
+    (effects (font (size 1.27 1.27)) (justify right))
+    (uuid b80fec93-c55e-4ffc-9674-1310661fd221)
+    (property "Intersheetrefs" "${INTERSHEET_REFS}" (at 72.9124 45.72 0)
+      (effects (font (size 1.27 1.27)) (justify right) hide)
+    )
+  )
+  (global_label "Vss" (shape input) (at 86.36 127 90) (fields_autoplaced)
+    (effects (font (size 1.27 1.27)) (justify left))
+    (uuid c2c7476c-5edd-4ec9-9e70-f38b826383e1)
+    (property "Intersheetrefs" "${INTERSHEET_REFS}" (at 86.36 120.87 90)
+      (effects (font (size 1.27 1.27)) (justify left) hide)
+    )
+  )
+  (global_label "Vout" (shape input) (at 204.47 88.9 0) (fields_autoplaced)
+    (effects (font (size 1.27 1.27)) (justify left))
+    (uuid cde3ba24-6cf5-4525-9c49-c92f263bd0d9)
+    (property "Intersheetrefs" "${INTERSHEET_REFS}" (at 211.5675 88.9 0)
+      (effects (font (size 1.27 1.27)) (justify left) hide)
+    )
+  )
 
-  (symbol (lib_id "Simulation_SPICE:VSIN") (at 88.9 132.08 0) (unit 1)
+  (symbol (lib_id "Device:R") (at 68.58 110.49 0) (unit 1)
+    (in_bom yes) (on_board yes) (dnp no) (fields_autoplaced)
+    (uuid 01502ce1-bdb1-4f9c-bb21-ef1df9e66ee2)
+    (property "Reference" "R5" (at 71.12 109.22 0)
+      (effects (font (size 1.27 1.27)) (justify left))
+    )
+    (property "Value" "1k" (at 71.12 111.76 0)
+      (effects (font (size 1.27 1.27)) (justify left))
+    )
+    (property "Footprint" "" (at 66.802 110.49 90)
+      (effects (font (size 1.27 1.27)) hide)
+    )
+    (property "Datasheet" "~" (at 68.58 110.49 0)
+      (effects (font (size 1.27 1.27)) hide)
+    )
+    (pin "2" (uuid 76a844a8-5812-4cc0-9301-d2f0e25d4357))
+    (pin "1" (uuid 4d40b928-976a-4cff-833c-a20c279ff095))
+    (instances
+      (project "phase_shift_oscil_caps"
+        (path "/6e6745fe-e05e-40f8-8a38-17d94ad7adc6"
+          (reference "R5") (unit 1)
+        )
+      )
+    )
+  )
+
+  (symbol (lib_id "Simulation_SPICE:0") (at 172.72 104.14 0) (unit 1)
+    (in_bom yes) (on_board yes) (dnp no) (fields_autoplaced)
+    (uuid 0f09c488-f761-440d-941a-8675757a4465)
+    (property "Reference" "#GND011" (at 172.72 106.68 0)
+      (effects (font (size 1.27 1.27)) hide)
+    )
+    (property "Value" "0" (at 172.72 101.6 0)
+      (effects (font (size 1.27 1.27)))
+    )
+    (property "Footprint" "" (at 172.72 104.14 0)
+      (effects (font (size 1.27 1.27)) hide)
+    )
+    (property "Datasheet" "~" (at 172.72 104.14 0)
+      (effects (font (size 1.27 1.27)) hide)
+    )
+    (pin "1" (uuid 0f0f40f9-0c0d-4b6d-93e4-a708e65f3dde))
+    (instances
+      (project "phase_shift_oscil_caps"
+        (path "/6e6745fe-e05e-40f8-8a38-17d94ad7adc6"
+          (reference "#GND011") (unit 1)
+        )
+      )
+    )
+  )
+
+  (symbol (lib_id "Simulation_SPICE:OPAMP") (at 86.36 48.26 0) (unit 1)
+    (in_bom yes) (on_board yes) (dnp no)
+    (uuid 1153995a-128f-4890-bb3d-acd506fa4632)
+    (property "Reference" "U2" (at 93.98 36.83 0)
+      (effects (font (size 1.27 1.27)))
+    )
+    (property "Value" "${SIM.PARAMS}" (at 95.25 40.64 0)
+      (effects (font (size 1.27 1.27)))
+    )
+    (property "Footprint" "" (at 86.36 48.26 0)
+      (effects (font (size 1.27 1.27)) hide)
+    )
+    (property "Datasheet" "~" (at 86.36 48.26 0)
+      (effects (font (size 1.27 1.27)) hide)
+    )
+    (property "Sim.Pins" "1=in+ 2=in- 3=vcc 4=vee 5=out" (at 86.36 48.26 0)
+      (effects (font (size 1.27 1.27)) hide)
+    )
+    (property "Sim.Device" "SUBCKT" (at 86.36 48.26 0)
+      (effects (font (size 1.27 1.27)) (justify left) hide)
+    )
+    (property "Sim.Library" "${KICAD7_SYMBOL_DIR}/Simulation_SPICE.sp" (at 86.36 48.26 0)
+      (effects (font (size 1.27 1.27)) hide)
+    )
+    (property "Sim.Name" "kicad_builtin_opamp" (at 86.36 48.26 0)
+      (effects (font (size 1.27 1.27)) hide)
+    )
+    (pin "1" (uuid c345d52e-d468-4cfc-899f-8145e3087f78))
+    (pin "3" (uuid fad0baaf-bfc8-456f-a5d4-d38dddf0f456))
+    (pin "2" (uuid 6a3d2c4d-819d-4396-bfc4-120b6d289373))
+    (pin "4" (uuid f3657e47-fdc1-4c41-b227-43e4cb2ac15e))
+    (pin "5" (uuid f2710b80-36e1-4ad9-bbaf-41c0bbcd28ab))
+    (instances
+      (project "phase_shift_oscil_caps"
+        (path "/6e6745fe-e05e-40f8-8a38-17d94ad7adc6"
+          (reference "U2") (unit 1)
+        )
+      )
+    )
+  )
+
+  (symbol (lib_id "Device:R") (at 105.41 48.26 90) (unit 1)
+    (in_bom yes) (on_board yes) (dnp no) (fields_autoplaced)
+    (uuid 187d01a8-9459-48ad-820c-e462bb18940b)
+    (property "Reference" "R3" (at 105.41 41.91 90)
+      (effects (font (size 1.27 1.27)))
+    )
+    (property "Value" "2k" (at 105.41 44.45 90)
+      (effects (font (size 1.27 1.27)))
+    )
+    (property "Footprint" "" (at 105.41 50.038 90)
+      (effects (font (size 1.27 1.27)) hide)
+    )
+    (property "Datasheet" "~" (at 105.41 48.26 0)
+      (effects (font (size 1.27 1.27)) hide)
+    )
+    (pin "2" (uuid 71c32fcd-ccdf-482d-90eb-9c229f06e5f4))
+    (pin "1" (uuid 668c3e0a-d943-4941-bbe9-f8b8eab43859))
+    (instances
+      (project "phase_shift_oscil_caps"
+        (path "/6e6745fe-e05e-40f8-8a38-17d94ad7adc6"
+          (reference "R3") (unit 1)
+        )
+      )
+    )
+  )
+
+  (symbol (lib_id "Simulation_SPICE:VSIN") (at 97.79 132.08 0) (unit 1)
     (in_bom yes) (on_board yes) (dnp no) (fields_autoplaced)
     (uuid 1ef34889-939c-4229-afb7-53a569bd27d7)
-    (property "Reference" "V1" (at 92.71 129.4102 0)
+    (property "Reference" "V1" (at 101.6 129.4102 0)
       (effects (font (size 1.27 1.27)) (justify left))
     )
-    (property "Value" "VSIN" (at 92.71 131.9502 0)
+    (property "Value" "VSIN" (at 101.6 131.9502 0)
       (effects (font (size 1.27 1.27)) (justify left))
     )
-    (property "Footprint" "" (at 88.9 132.08 0)
+    (property "Footprint" "" (at 97.79 132.08 0)
       (effects (font (size 1.27 1.27)) hide)
     )
-    (property "Datasheet" "~" (at 88.9 132.08 0)
+    (property "Datasheet" "~" (at 97.79 132.08 0)
       (effects (font (size 1.27 1.27)) hide)
     )
-    (property "Sim.Pins" "1=+ 2=-" (at 88.9 132.08 0)
+    (property "Sim.Pins" "1=+ 2=-" (at 97.79 132.08 0)
       (effects (font (size 1.27 1.27)) hide)
     )
-    (property "Sim.Params" "dc=0 ampl=1 f=1k ac=1" (at 92.71 134.4902 0)
+    (property "Sim.Params" "dc=0 ampl=1 f=800 td=0 theta=0 phase=0 ac=1" (at 101.6 134.4902 0)
       (effects (font (size 1.27 1.27)) (justify left))
     )
-    (property "Sim.Type" "SIN" (at 88.9 132.08 0)
+    (property "Sim.Type" "SIN" (at 97.79 132.08 0)
       (effects (font (size 1.27 1.27)) hide)
     )
-    (property "Sim.Device" "V" (at 88.9 132.08 0)
+    (property "Sim.Device" "V" (at 97.79 132.08 0)
       (effects (font (size 1.27 1.27)) (justify left) hide)
     )
     (pin "1" (uuid 44182aac-3f6e-4fc2-9ad5-688cfa7c5114))
@@ -357,229 +847,22 @@
     )
   )
 
-  (symbol (lib_id "Device:C") (at 147.32 109.22 0) (unit 1)
+  (symbol (lib_id "Simulation_SPICE:0") (at 146.05 63.5 0) (unit 1)
     (in_bom yes) (on_board yes) (dnp no) (fields_autoplaced)
-    (uuid 22a1c1fd-cb1b-44b0-8c78-349ea8827e73)
-    (property "Reference" "C2" (at 151.13 107.95 0)
-      (effects (font (size 1.27 1.27)) (justify left))
-    )
-    (property "Value" ".1u" (at 151.13 110.49 0)
-      (effects (font (size 1.27 1.27)) (justify left))
-    )
-    (property "Footprint" "" (at 148.2852 113.03 0)
+    (uuid 2ae5c5d8-ad39-48d4-8d35-4ee66f2204b1)
+    (property "Reference" "#GND03" (at 146.05 66.04 0)
       (effects (font (size 1.27 1.27)) hide)
     )
-    (property "Datasheet" "~" (at 147.32 109.22 0)
-      (effects (font (size 1.27 1.27)) hide)
-    )
-    (pin "2" (uuid ed2737b1-0747-42a9-9889-e0145cb01558))
-    (pin "1" (uuid 360ec245-4470-41c7-bc91-ffee764fa550))
-    (instances
-      (project "phase_shift_oscil_caps"
-        (path "/6e6745fe-e05e-40f8-8a38-17d94ad7adc6"
-          (reference "C2") (unit 1)
-        )
-      )
-    )
-  )
-
-  (symbol (lib_id "Device:R") (at 106.68 102.87 90) (unit 1)
-    (in_bom yes) (on_board yes) (dnp no) (fields_autoplaced)
-    (uuid 2db51b70-a9c9-4de7-85d2-abed0dbc0edf)
-    (property "Reference" "R1" (at 106.68 96.52 90)
+    (property "Value" "0" (at 146.05 60.96 0)
       (effects (font (size 1.27 1.27)))
     )
-    (property "Value" "2k" (at 106.68 99.06 90)
-      (effects (font (size 1.27 1.27)))
-    )
-    (property "Footprint" "" (at 106.68 104.648 90)
+    (property "Footprint" "" (at 146.05 63.5 0)
       (effects (font (size 1.27 1.27)) hide)
     )
-    (property "Datasheet" "~" (at 106.68 102.87 0)
+    (property "Datasheet" "~" (at 146.05 63.5 0)
       (effects (font (size 1.27 1.27)) hide)
     )
-    (pin "2" (uuid 6800067b-9041-4f76-8604-6146b2ae4f7e))
-    (pin "1" (uuid cbad1162-4557-4e7b-9e7e-0269dec84f16))
-    (instances
-      (project "phase_shift_oscil_caps"
-        (path "/6e6745fe-e05e-40f8-8a38-17d94ad7adc6"
-          (reference "R1") (unit 1)
-        )
-      )
-    )
-  )
-
-  (symbol (lib_id "Device:C") (at 173.99 109.22 0) (unit 1)
-    (in_bom yes) (on_board yes) (dnp no) (fields_autoplaced)
-    (uuid 4f2679f4-4a4d-4d3b-9210-9e6cd2ac6316)
-    (property "Reference" "C3" (at 177.8 107.95 0)
-      (effects (font (size 1.27 1.27)) (justify left))
-    )
-    (property "Value" ".1u" (at 177.8 110.49 0)
-      (effects (font (size 1.27 1.27)) (justify left))
-    )
-    (property "Footprint" "" (at 174.9552 113.03 0)
-      (effects (font (size 1.27 1.27)) hide)
-    )
-    (property "Datasheet" "~" (at 173.99 109.22 0)
-      (effects (font (size 1.27 1.27)) hide)
-    )
-    (pin "2" (uuid e6c27f4b-f42a-4c6e-9a3c-7bf858e7f68d))
-    (pin "1" (uuid eca2df3e-8f5f-4ea5-9c4e-2fd5e9741d58))
-    (instances
-      (project "phase_shift_oscil_caps"
-        (path "/6e6745fe-e05e-40f8-8a38-17d94ad7adc6"
-          (reference "C3") (unit 1)
-        )
-      )
-    )
-  )
-
-  (symbol (lib_id "Device:R") (at 133.35 102.87 90) (unit 1)
-    (in_bom yes) (on_board yes) (dnp no) (fields_autoplaced)
-    (uuid 58ddab3b-0989-479d-b2b8-a51076453d9c)
-    (property "Reference" "R2" (at 133.35 96.52 90)
-      (effects (font (size 1.27 1.27)))
-    )
-    (property "Value" "2k" (at 133.35 99.06 90)
-      (effects (font (size 1.27 1.27)))
-    )
-    (property "Footprint" "" (at 133.35 104.648 90)
-      (effects (font (size 1.27 1.27)) hide)
-    )
-    (property "Datasheet" "~" (at 133.35 102.87 0)
-      (effects (font (size 1.27 1.27)) hide)
-    )
-    (pin "2" (uuid 53bd07cd-7d7b-46b4-a505-e2a6a1b9a42d))
-    (pin "1" (uuid 956ccf1c-9c64-4619-8b71-5d4b03e793e1))
-    (instances
-      (project "phase_shift_oscil_caps"
-        (path "/6e6745fe-e05e-40f8-8a38-17d94ad7adc6"
-          (reference "R2") (unit 1)
-        )
-      )
-    )
-  )
-
-  (symbol (lib_id "Device:R") (at 160.02 102.87 90) (unit 1)
-    (in_bom yes) (on_board yes) (dnp no) (fields_autoplaced)
-    (uuid 84673ee2-8d5c-4dc2-a746-c46eac21c05a)
-    (property "Reference" "R3" (at 160.02 96.52 90)
-      (effects (font (size 1.27 1.27)))
-    )
-    (property "Value" "2k" (at 160.02 99.06 90)
-      (effects (font (size 1.27 1.27)))
-    )
-    (property "Footprint" "" (at 160.02 104.648 90)
-      (effects (font (size 1.27 1.27)) hide)
-    )
-    (property "Datasheet" "~" (at 160.02 102.87 0)
-      (effects (font (size 1.27 1.27)) hide)
-    )
-    (pin "2" (uuid 004191e7-1e7e-4637-bc03-e8a41135b6fe))
-    (pin "1" (uuid 56215f06-3eb2-421a-a36b-8b153839c7d9))
-    (instances
-      (project "phase_shift_oscil_caps"
-        (path "/6e6745fe-e05e-40f8-8a38-17d94ad7adc6"
-          (reference "R3") (unit 1)
-        )
-      )
-    )
-  )
-
-  (symbol (lib_id "Device:R") (at 186.69 102.87 90) (unit 1)
-    (in_bom yes) (on_board yes) (dnp no) (fields_autoplaced)
-    (uuid 8e365add-1afb-4e27-b0f7-81fb384e6535)
-    (property "Reference" "R4" (at 186.69 96.52 90)
-      (effects (font (size 1.27 1.27)))
-    )
-    (property "Value" "2k" (at 186.69 99.06 90)
-      (effects (font (size 1.27 1.27)))
-    )
-    (property "Footprint" "" (at 186.69 104.648 90)
-      (effects (font (size 1.27 1.27)) hide)
-    )
-    (property "Datasheet" "~" (at 186.69 102.87 0)
-      (effects (font (size 1.27 1.27)) hide)
-    )
-    (pin "2" (uuid 64d18166-c9b9-45ca-811c-50ce13c322d6))
-    (pin "1" (uuid d1afc3e9-183d-4064-a51b-9d93b568a733))
-    (instances
-      (project "phase_shift_oscil_caps"
-        (path "/6e6745fe-e05e-40f8-8a38-17d94ad7adc6"
-          (reference "R4") (unit 1)
-        )
-      )
-    )
-  )
-
-  (symbol (lib_id "Device:C") (at 200.66 109.22 0) (unit 1)
-    (in_bom yes) (on_board yes) (dnp no) (fields_autoplaced)
-    (uuid 92139da8-ca87-4dc7-a8dc-de600fc9d04b)
-    (property "Reference" "C4" (at 204.47 107.95 0)
-      (effects (font (size 1.27 1.27)) (justify left))
-    )
-    (property "Value" ".1u" (at 204.47 110.49 0)
-      (effects (font (size 1.27 1.27)) (justify left))
-    )
-    (property "Footprint" "" (at 201.6252 113.03 0)
-      (effects (font (size 1.27 1.27)) hide)
-    )
-    (property "Datasheet" "~" (at 200.66 109.22 0)
-      (effects (font (size 1.27 1.27)) hide)
-    )
-    (pin "2" (uuid 529c2fba-4920-4a28-90c9-8d8151c669af))
-    (pin "1" (uuid 2fa04fa4-2d29-447d-8ee0-d06b2c58c82b))
-    (instances
-      (project "phase_shift_oscil_caps"
-        (path "/6e6745fe-e05e-40f8-8a38-17d94ad7adc6"
-          (reference "C4") (unit 1)
-        )
-      )
-    )
-  )
-
-  (symbol (lib_id "Simulation_SPICE:0") (at 120.65 118.11 0) (unit 1)
-    (in_bom yes) (on_board yes) (dnp no) (fields_autoplaced)
-    (uuid 94f3244e-e8d6-4336-81f6-422c2973dacf)
-    (property "Reference" "#GND01" (at 120.65 120.65 0)
-      (effects (font (size 1.27 1.27)) hide)
-    )
-    (property "Value" "0" (at 120.65 115.57 0)
-      (effects (font (size 1.27 1.27)))
-    )
-    (property "Footprint" "" (at 120.65 118.11 0)
-      (effects (font (size 1.27 1.27)) hide)
-    )
-    (property "Datasheet" "~" (at 120.65 118.11 0)
-      (effects (font (size 1.27 1.27)) hide)
-    )
-    (pin "1" (uuid 581dfcc9-935c-40c7-a2bc-043045ce7d84))
-    (instances
-      (project "phase_shift_oscil_caps"
-        (path "/6e6745fe-e05e-40f8-8a38-17d94ad7adc6"
-          (reference "#GND01") (unit 1)
-        )
-      )
-    )
-  )
-
-  (symbol (lib_id "Simulation_SPICE:0") (at 173.99 118.11 0) (unit 1)
-    (in_bom yes) (on_board yes) (dnp no) (fields_autoplaced)
-    (uuid 9f885c13-a00a-4043-86ad-e766d100b7f0)
-    (property "Reference" "#GND03" (at 173.99 120.65 0)
-      (effects (font (size 1.27 1.27)) hide)
-    )
-    (property "Value" "0" (at 173.99 115.57 0)
-      (effects (font (size 1.27 1.27)))
-    )
-    (property "Footprint" "" (at 173.99 118.11 0)
-      (effects (font (size 1.27 1.27)) hide)
-    )
-    (property "Datasheet" "~" (at 173.99 118.11 0)
-      (effects (font (size 1.27 1.27)) hide)
-    )
-    (pin "1" (uuid 5c64de79-4132-4c56-89c9-704670b5e9c4))
+    (pin "1" (uuid 9844f83e-c57a-4aba-a5d5-1a619945f999))
     (instances
       (project "phase_shift_oscil_caps"
         (path "/6e6745fe-e05e-40f8-8a38-17d94ad7adc6"
@@ -589,22 +872,22 @@
     )
   )
 
-  (symbol (lib_id "Simulation_SPICE:0") (at 147.32 118.11 0) (unit 1)
+  (symbol (lib_id "Simulation_SPICE:0") (at 119.38 63.5 0) (unit 1)
     (in_bom yes) (on_board yes) (dnp no) (fields_autoplaced)
-    (uuid a2c9b362-85aa-491f-bd28-6cc912405003)
-    (property "Reference" "#GND02" (at 147.32 120.65 0)
+    (uuid 40d15e70-22c9-4ac0-8047-664c214c750f)
+    (property "Reference" "#GND02" (at 119.38 66.04 0)
       (effects (font (size 1.27 1.27)) hide)
     )
-    (property "Value" "0" (at 147.32 115.57 0)
+    (property "Value" "0" (at 119.38 60.96 0)
       (effects (font (size 1.27 1.27)))
     )
-    (property "Footprint" "" (at 147.32 118.11 0)
+    (property "Footprint" "" (at 119.38 63.5 0)
       (effects (font (size 1.27 1.27)) hide)
     )
-    (property "Datasheet" "~" (at 147.32 118.11 0)
+    (property "Datasheet" "~" (at 119.38 63.5 0)
       (effects (font (size 1.27 1.27)) hide)
     )
-    (pin "1" (uuid 5ab1a85f-e584-49d4-8737-08332e7a5e8d))
+    (pin "1" (uuid 18b0869e-2577-44ba-9348-eed6ef3b8496))
     (instances
       (project "phase_shift_oscil_caps"
         (path "/6e6745fe-e05e-40f8-8a38-17d94ad7adc6"
@@ -614,19 +897,551 @@
     )
   )
 
-  (symbol (lib_id "Simulation_SPICE:0") (at 88.9 137.16 0) (unit 1)
-    (in_bom yes) (on_board yes) (dnp no)
-    (uuid cd3c659b-6972-40ee-9ce0-be5412f837e5)
-    (property "Reference" "#GND04" (at 88.9 139.7 0)
+  (symbol (lib_id "Simulation_SPICE:VDC") (at 76.2 132.08 0) (unit 1)
+    (in_bom yes) (on_board yes) (dnp no) (fields_autoplaced)
+    (uuid 42531275-9ce3-42f9-a045-c8ff606f0b4f)
+    (property "Reference" "V2" (at 80.01 130.6802 0)
+      (effects (font (size 1.27 1.27)) (justify left))
+    )
+    (property "Value" "15" (at 80.01 133.2202 0)
+      (effects (font (size 1.27 1.27)) (justify left))
+    )
+    (property "Footprint" "" (at 76.2 132.08 0)
       (effects (font (size 1.27 1.27)) hide)
     )
-    (property "Value" "0" (at 86.36 137.16 0)
+    (property "Datasheet" "~" (at 76.2 132.08 0)
+      (effects (font (size 1.27 1.27)) hide)
+    )
+    (property "Sim.Pins" "1=+ 2=-" (at 76.2 132.08 0)
+      (effects (font (size 1.27 1.27)) hide)
+    )
+    (property "Sim.Type" "DC" (at 76.2 132.08 0)
+      (effects (font (size 1.27 1.27)) hide)
+    )
+    (property "Sim.Device" "V" (at 76.2 132.08 0)
+      (effects (font (size 1.27 1.27)) (justify left) hide)
+    )
+    (pin "2" (uuid 15262d65-ccd5-414b-a818-8c4de9df5133))
+    (pin "1" (uuid 5181b5b5-ca7d-425e-92a9-f38c4d3d5bb0))
+    (instances
+      (project "phase_shift_oscil_caps"
+        (path "/6e6745fe-e05e-40f8-8a38-17d94ad7adc6"
+          (reference "V2") (unit 1)
+        )
+      )
+    )
+  )
+
+  (symbol (lib_id "Simulation_SPICE:0") (at 68.58 76.2 0) (unit 1)
+    (in_bom yes) (on_board yes) (dnp no)
+    (uuid 50d077f1-f90d-41f9-944d-8970ccbf80ce)
+    (property "Reference" "#GND01" (at 68.58 78.74 0)
+      (effects (font (size 1.27 1.27)) hide)
+    )
+    (property "Value" "0" (at 66.04 76.2 0)
       (effects (font (size 1.27 1.27)))
     )
-    (property "Footprint" "" (at 88.9 137.16 0)
+    (property "Footprint" "" (at 68.58 76.2 0)
       (effects (font (size 1.27 1.27)) hide)
     )
-    (property "Datasheet" "~" (at 88.9 137.16 0)
+    (property "Datasheet" "~" (at 68.58 76.2 0)
+      (effects (font (size 1.27 1.27)) hide)
+    )
+    (pin "1" (uuid 9540b19f-8912-4795-a27e-abd2604d28b7))
+    (instances
+      (project "phase_shift_oscil_caps"
+        (path "/6e6745fe-e05e-40f8-8a38-17d94ad7adc6"
+          (reference "#GND01") (unit 1)
+        )
+      )
+    )
+  )
+
+  (symbol (lib_id "Device:C") (at 172.72 54.61 0) (unit 1)
+    (in_bom yes) (on_board yes) (dnp no) (fields_autoplaced)
+    (uuid 576c2afc-af96-4882-a372-f2b98ead2dd8)
+    (property "Reference" "C3" (at 176.53 53.34 0)
+      (effects (font (size 1.27 1.27)) (justify left))
+    )
+    (property "Value" ".1u" (at 176.53 55.88 0)
+      (effects (font (size 1.27 1.27)) (justify left))
+    )
+    (property "Footprint" "" (at 173.6852 58.42 0)
+      (effects (font (size 1.27 1.27)) hide)
+    )
+    (property "Datasheet" "~" (at 172.72 54.61 0)
+      (effects (font (size 1.27 1.27)) hide)
+    )
+    (pin "2" (uuid 47363d85-f102-463d-b250-6b9347963b0b))
+    (pin "1" (uuid fa5f2ff1-568d-4319-934c-67553469a75f))
+    (instances
+      (project "phase_shift_oscil_caps"
+        (path "/6e6745fe-e05e-40f8-8a38-17d94ad7adc6"
+          (reference "C3") (unit 1)
+        )
+      )
+    )
+  )
+
+  (symbol (lib_id "Simulation_SPICE:0") (at 199.39 63.5 0) (unit 1)
+    (in_bom yes) (on_board yes) (dnp no) (fields_autoplaced)
+    (uuid 63e86dc9-1551-43a2-856a-bee69250d538)
+    (property "Reference" "#GND013" (at 199.39 66.04 0)
+      (effects (font (size 1.27 1.27)) hide)
+    )
+    (property "Value" "0" (at 199.39 60.96 0)
+      (effects (font (size 1.27 1.27)))
+    )
+    (property "Footprint" "" (at 199.39 63.5 0)
+      (effects (font (size 1.27 1.27)) hide)
+    )
+    (property "Datasheet" "~" (at 199.39 63.5 0)
+      (effects (font (size 1.27 1.27)) hide)
+    )
+    (pin "1" (uuid eb426e60-874c-4e06-ba8a-7b69ce04ccb2))
+    (instances
+      (project "phase_shift_oscil_caps"
+        (path "/6e6745fe-e05e-40f8-8a38-17d94ad7adc6"
+          (reference "#GND013") (unit 1)
+        )
+      )
+    )
+  )
+
+  (symbol (lib_id "Device:R") (at 83.82 63.5 90) (unit 1)
+    (in_bom yes) (on_board yes) (dnp no)
+    (uuid 6d1ca722-d4d2-4d89-9bcc-6b43e18adf27)
+    (property "Reference" "R2" (at 83.82 66.04 90)
+      (effects (font (size 1.27 1.27)))
+    )
+    (property "Value" "13.5k" (at 83.82 68.58 90)
+      (effects (font (size 1.27 1.27)))
+    )
+    (property "Footprint" "" (at 83.82 65.278 90)
+      (effects (font (size 1.27 1.27)) hide)
+    )
+    (property "Datasheet" "~" (at 83.82 63.5 0)
+      (effects (font (size 1.27 1.27)) hide)
+    )
+    (pin "2" (uuid 994c8c42-cfcd-4a2b-85d2-cda0cf19cda2))
+    (pin "1" (uuid dc46dc73-0bb1-444d-b9c9-985449fa95d6))
+    (instances
+      (project "phase_shift_oscil_caps"
+        (path "/6e6745fe-e05e-40f8-8a38-17d94ad7adc6"
+          (reference "R2") (unit 1)
+        )
+      )
+    )
+  )
+
+  (symbol (lib_id "Simulation_SPICE:0") (at 172.72 63.5 0) (unit 1)
+    (in_bom yes) (on_board yes) (dnp no) (fields_autoplaced)
+    (uuid 6f10eedf-8c29-4745-a69b-e6d8ed5e061e)
+    (property "Reference" "#GND05" (at 172.72 66.04 0)
+      (effects (font (size 1.27 1.27)) hide)
+    )
+    (property "Value" "0" (at 172.72 60.96 0)
+      (effects (font (size 1.27 1.27)))
+    )
+    (property "Footprint" "" (at 172.72 63.5 0)
+      (effects (font (size 1.27 1.27)) hide)
+    )
+    (property "Datasheet" "~" (at 172.72 63.5 0)
+      (effects (font (size 1.27 1.27)) hide)
+    )
+    (pin "1" (uuid ff030431-a70c-4307-9653-5f17aae882d6))
+    (instances
+      (project "phase_shift_oscil_caps"
+        (path "/6e6745fe-e05e-40f8-8a38-17d94ad7adc6"
+          (reference "#GND05") (unit 1)
+        )
+      )
+    )
+  )
+
+  (symbol (lib_id "Device:R") (at 68.58 69.85 0) (unit 1)
+    (in_bom yes) (on_board yes) (dnp no) (fields_autoplaced)
+    (uuid 7908cf60-9f64-430f-a9a0-75d12bd7e938)
+    (property "Reference" "R1" (at 71.12 68.58 0)
+      (effects (font (size 1.27 1.27)) (justify left))
+    )
+    (property "Value" "1k" (at 71.12 71.12 0)
+      (effects (font (size 1.27 1.27)) (justify left))
+    )
+    (property "Footprint" "" (at 66.802 69.85 90)
+      (effects (font (size 1.27 1.27)) hide)
+    )
+    (property "Datasheet" "~" (at 68.58 69.85 0)
+      (effects (font (size 1.27 1.27)) hide)
+    )
+    (pin "2" (uuid dcbc029b-ad95-4e49-becb-26144da2be6b))
+    (pin "1" (uuid 0b273eab-81cd-4673-9273-771d9d71e9a2))
+    (instances
+      (project "phase_shift_oscil_caps"
+        (path "/6e6745fe-e05e-40f8-8a38-17d94ad7adc6"
+          (reference "R1") (unit 1)
+        )
+      )
+    )
+  )
+
+  (symbol (lib_id "Device:R") (at 83.82 104.14 90) (unit 1)
+    (in_bom yes) (on_board yes) (dnp no)
+    (uuid 7b86a735-7a37-4568-95bf-3c036177d0cb)
+    (property "Reference" "R6" (at 83.82 106.68 90)
+      (effects (font (size 1.27 1.27)))
+    )
+    (property "Value" "1k" (at 83.82 109.22 90)
+      (effects (font (size 1.27 1.27)))
+    )
+    (property "Footprint" "" (at 83.82 105.918 90)
+      (effects (font (size 1.27 1.27)) hide)
+    )
+    (property "Datasheet" "~" (at 83.82 104.14 0)
+      (effects (font (size 1.27 1.27)) hide)
+    )
+    (pin "2" (uuid 2512efa0-a7f6-47d1-8b89-62dc51b09d67))
+    (pin "1" (uuid 8822adfc-6351-4cb7-8fdb-3f784495a361))
+    (instances
+      (project "phase_shift_oscil_caps"
+        (path "/6e6745fe-e05e-40f8-8a38-17d94ad7adc6"
+          (reference "R6") (unit 1)
+        )
+      )
+    )
+  )
+
+  (symbol (lib_id "Simulation_SPICE:0") (at 68.58 116.84 0) (unit 1)
+    (in_bom yes) (on_board yes) (dnp no)
+    (uuid 7d785960-2f04-48ab-86e9-27a3e34164a0)
+    (property "Reference" "#GND07" (at 68.58 119.38 0)
+      (effects (font (size 1.27 1.27)) hide)
+    )
+    (property "Value" "0" (at 66.04 116.84 0)
+      (effects (font (size 1.27 1.27)))
+    )
+    (property "Footprint" "" (at 68.58 116.84 0)
+      (effects (font (size 1.27 1.27)) hide)
+    )
+    (property "Datasheet" "~" (at 68.58 116.84 0)
+      (effects (font (size 1.27 1.27)) hide)
+    )
+    (pin "1" (uuid f2d4fac3-2f0a-454b-84c8-6948c22e9e0d))
+    (instances
+      (project "phase_shift_oscil_caps"
+        (path "/6e6745fe-e05e-40f8-8a38-17d94ad7adc6"
+          (reference "#GND07") (unit 1)
+        )
+      )
+    )
+  )
+
+  (symbol (lib_id "Simulation_SPICE:VDC") (at 86.36 132.08 0) (unit 1)
+    (in_bom yes) (on_board yes) (dnp no) (fields_autoplaced)
+    (uuid 83eb2a25-7184-41c2-8ee1-6daa28f63101)
+    (property "Reference" "V3" (at 90.17 130.6802 0)
+      (effects (font (size 1.27 1.27)) (justify left))
+    )
+    (property "Value" "-15" (at 90.17 133.2202 0)
+      (effects (font (size 1.27 1.27)) (justify left))
+    )
+    (property "Footprint" "" (at 86.36 132.08 0)
+      (effects (font (size 1.27 1.27)) hide)
+    )
+    (property "Datasheet" "~" (at 86.36 132.08 0)
+      (effects (font (size 1.27 1.27)) hide)
+    )
+    (property "Sim.Pins" "1=+ 2=-" (at 86.36 132.08 0)
+      (effects (font (size 1.27 1.27)) hide)
+    )
+    (property "Sim.Type" "DC" (at 86.36 132.08 0)
+      (effects (font (size 1.27 1.27)) hide)
+    )
+    (property "Sim.Device" "V" (at 86.36 132.08 0)
+      (effects (font (size 1.27 1.27)) (justify left) hide)
+    )
+    (pin "2" (uuid aa077811-7467-4d11-83a4-03d8ac137644))
+    (pin "1" (uuid 1c84db4d-12e6-44cc-b976-f12f88992934))
+    (instances
+      (project "phase_shift_oscil_caps"
+        (path "/6e6745fe-e05e-40f8-8a38-17d94ad7adc6"
+          (reference "V3") (unit 1)
+        )
+      )
+    )
+  )
+
+  (symbol (lib_id "Simulation_SPICE:0") (at 76.2 137.16 0) (unit 1)
+    (in_bom yes) (on_board yes) (dnp no)
+    (uuid 8c3301c9-7df8-4acc-ba68-b629cbebd0dd)
+    (property "Reference" "#GND06" (at 76.2 139.7 0)
+      (effects (font (size 1.27 1.27)) hide)
+    )
+    (property "Value" "0" (at 73.66 137.16 0)
+      (effects (font (size 1.27 1.27)))
+    )
+    (property "Footprint" "" (at 76.2 137.16 0)
+      (effects (font (size 1.27 1.27)) hide)
+    )
+    (property "Datasheet" "~" (at 76.2 137.16 0)
+      (effects (font (size 1.27 1.27)) hide)
+    )
+    (pin "1" (uuid d900e4bc-e552-4c05-b8fc-ff82396b83e5))
+    (instances
+      (project "phase_shift_oscil_caps"
+        (path "/6e6745fe-e05e-40f8-8a38-17d94ad7adc6"
+          (reference "#GND06") (unit 1)
+        )
+      )
+    )
+  )
+
+  (symbol (lib_id "Device:R") (at 185.42 48.26 90) (unit 1)
+    (in_bom yes) (on_board yes) (dnp no) (fields_autoplaced)
+    (uuid 957dc2d5-d1cc-481e-b873-4ad849ce3578)
+    (property "Reference" "R12" (at 185.42 41.91 90)
+      (effects (font (size 1.27 1.27)))
+    )
+    (property "Value" "2k" (at 185.42 44.45 90)
+      (effects (font (size 1.27 1.27)))
+    )
+    (property "Footprint" "" (at 185.42 50.038 90)
+      (effects (font (size 1.27 1.27)) hide)
+    )
+    (property "Datasheet" "~" (at 185.42 48.26 0)
+      (effects (font (size 1.27 1.27)) hide)
+    )
+    (pin "2" (uuid 18bf38a8-16d6-47de-8329-81e54abe9d6b))
+    (pin "1" (uuid f064ca50-134b-424f-87cc-0b3621518d0c))
+    (instances
+      (project "phase_shift_oscil_caps"
+        (path "/6e6745fe-e05e-40f8-8a38-17d94ad7adc6"
+          (reference "R12") (unit 1)
+        )
+      )
+    )
+  )
+
+  (symbol (lib_id "Device:C") (at 199.39 54.61 0) (unit 1)
+    (in_bom yes) (on_board yes) (dnp no) (fields_autoplaced)
+    (uuid 9d26fcf0-8be0-4557-a23d-cf4c0d25b0c2)
+    (property "Reference" "C4" (at 203.2 53.34 0)
+      (effects (font (size 1.27 1.27)) (justify left))
+    )
+    (property "Value" ".1u" (at 203.2 55.88 0)
+      (effects (font (size 1.27 1.27)) (justify left))
+    )
+    (property "Footprint" "" (at 200.3552 58.42 0)
+      (effects (font (size 1.27 1.27)) hide)
+    )
+    (property "Datasheet" "~" (at 199.39 54.61 0)
+      (effects (font (size 1.27 1.27)) hide)
+    )
+    (pin "2" (uuid d37272e2-da83-4f17-9d3e-450e4a4362a3))
+    (pin "1" (uuid b992c22e-217a-4e67-b820-c595f79f2f74))
+    (instances
+      (project "phase_shift_oscil_caps"
+        (path "/6e6745fe-e05e-40f8-8a38-17d94ad7adc6"
+          (reference "C4") (unit 1)
+        )
+      )
+    )
+  )
+
+  (symbol (lib_id "Device:R") (at 158.75 88.9 90) (unit 1)
+    (in_bom yes) (on_board yes) (dnp no) (fields_autoplaced)
+    (uuid 9eb61cdd-eeea-43fa-9b28-af26dc9a0c2c)
+    (property "Reference" "R9" (at 158.75 82.55 90)
+      (effects (font (size 1.27 1.27)))
+    )
+    (property "Value" "2k" (at 158.75 85.09 90)
+      (effects (font (size 1.27 1.27)))
+    )
+    (property "Footprint" "" (at 158.75 90.678 90)
+      (effects (font (size 1.27 1.27)) hide)
+    )
+    (property "Datasheet" "~" (at 158.75 88.9 0)
+      (effects (font (size 1.27 1.27)) hide)
+    )
+    (pin "2" (uuid 9cc1fd05-6cd0-4ce4-88ec-2b72a188a319))
+    (pin "1" (uuid 58ddf9f3-fb0e-423f-ac98-a22645fca1a8))
+    (instances
+      (project "phase_shift_oscil_caps"
+        (path "/6e6745fe-e05e-40f8-8a38-17d94ad7adc6"
+          (reference "R9") (unit 1)
+        )
+      )
+    )
+  )
+
+  (symbol (lib_id "Simulation_SPICE:0") (at 199.39 104.14 0) (unit 1)
+    (in_bom yes) (on_board yes) (dnp no) (fields_autoplaced)
+    (uuid a9993af1-95d9-4fbe-8d38-710ec0ab8244)
+    (property "Reference" "#GND012" (at 199.39 106.68 0)
+      (effects (font (size 1.27 1.27)) hide)
+    )
+    (property "Value" "0" (at 199.39 101.6 0)
+      (effects (font (size 1.27 1.27)))
+    )
+    (property "Footprint" "" (at 199.39 104.14 0)
+      (effects (font (size 1.27 1.27)) hide)
+    )
+    (property "Datasheet" "~" (at 199.39 104.14 0)
+      (effects (font (size 1.27 1.27)) hide)
+    )
+    (pin "1" (uuid a278dba2-c070-4c6a-84ba-412a3110a9db))
+    (instances
+      (project "phase_shift_oscil_caps"
+        (path "/6e6745fe-e05e-40f8-8a38-17d94ad7adc6"
+          (reference "#GND012") (unit 1)
+        )
+      )
+    )
+  )
+
+  (symbol (lib_id "Device:R") (at 132.08 88.9 90) (unit 1)
+    (in_bom yes) (on_board yes) (dnp no) (fields_autoplaced)
+    (uuid b25b9fd3-7676-4425-be76-c8b340ef5e54)
+    (property "Reference" "R8" (at 132.08 82.55 90)
+      (effects (font (size 1.27 1.27)))
+    )
+    (property "Value" "2k" (at 132.08 85.09 90)
+      (effects (font (size 1.27 1.27)))
+    )
+    (property "Footprint" "" (at 132.08 90.678 90)
+      (effects (font (size 1.27 1.27)) hide)
+    )
+    (property "Datasheet" "~" (at 132.08 88.9 0)
+      (effects (font (size 1.27 1.27)) hide)
+    )
+    (pin "2" (uuid cde71cf9-a133-4ec0-bfc4-658d98d96222))
+    (pin "1" (uuid d333cc6e-3634-45c4-9662-ba5c8ede5067))
+    (instances
+      (project "phase_shift_oscil_caps"
+        (path "/6e6745fe-e05e-40f8-8a38-17d94ad7adc6"
+          (reference "R8") (unit 1)
+        )
+      )
+    )
+  )
+
+  (symbol (lib_id "Device:C") (at 146.05 54.61 0) (unit 1)
+    (in_bom yes) (on_board yes) (dnp no) (fields_autoplaced)
+    (uuid b62948ba-b2cb-4fee-868c-3cb48234f17d)
+    (property "Reference" "C2" (at 149.86 53.34 0)
+      (effects (font (size 1.27 1.27)) (justify left))
+    )
+    (property "Value" ".1u" (at 149.86 55.88 0)
+      (effects (font (size 1.27 1.27)) (justify left))
+    )
+    (property "Footprint" "" (at 147.0152 58.42 0)
+      (effects (font (size 1.27 1.27)) hide)
+    )
+    (property "Datasheet" "~" (at 146.05 54.61 0)
+      (effects (font (size 1.27 1.27)) hide)
+    )
+    (pin "2" (uuid f7b671d4-f2ce-4464-b429-5271d5a586f8))
+    (pin "1" (uuid 158d488f-e165-4e6b-85cc-d2971bde7525))
+    (instances
+      (project "phase_shift_oscil_caps"
+        (path "/6e6745fe-e05e-40f8-8a38-17d94ad7adc6"
+          (reference "C2") (unit 1)
+        )
+      )
+    )
+  )
+
+  (symbol (lib_id "Device:C") (at 172.72 95.25 0) (unit 1)
+    (in_bom yes) (on_board yes) (dnp no) (fields_autoplaced)
+    (uuid c03c8e12-ede4-4f87-a360-48ba51bf42c5)
+    (property "Reference" "C7" (at 176.53 93.98 0)
+      (effects (font (size 1.27 1.27)) (justify left))
+    )
+    (property "Value" ".1u" (at 176.53 96.52 0)
+      (effects (font (size 1.27 1.27)) (justify left))
+    )
+    (property "Footprint" "" (at 173.6852 99.06 0)
+      (effects (font (size 1.27 1.27)) hide)
+    )
+    (property "Datasheet" "~" (at 172.72 95.25 0)
+      (effects (font (size 1.27 1.27)) hide)
+    )
+    (pin "2" (uuid 2b83bcd1-a431-467e-b4f7-9198776804d7))
+    (pin "1" (uuid b27f41e0-df7c-401e-a4b2-1533ba6aaf56))
+    (instances
+      (project "phase_shift_oscil_caps"
+        (path "/6e6745fe-e05e-40f8-8a38-17d94ad7adc6"
+          (reference "C7") (unit 1)
+        )
+      )
+    )
+  )
+
+  (symbol (lib_id "Device:R") (at 132.08 48.26 90) (unit 1)
+    (in_bom yes) (on_board yes) (dnp no) (fields_autoplaced)
+    (uuid c05a8a11-adec-489b-a5bf-f97626df1484)
+    (property "Reference" "R4" (at 132.08 41.91 90)
+      (effects (font (size 1.27 1.27)))
+    )
+    (property "Value" "2k" (at 132.08 44.45 90)
+      (effects (font (size 1.27 1.27)))
+    )
+    (property "Footprint" "" (at 132.08 50.038 90)
+      (effects (font (size 1.27 1.27)) hide)
+    )
+    (property "Datasheet" "~" (at 132.08 48.26 0)
+      (effects (font (size 1.27 1.27)) hide)
+    )
+    (pin "2" (uuid 4a945708-a41e-406a-ad55-ee6bfbe21694))
+    (pin "1" (uuid af3241a4-7b71-4bec-8d88-6e384a758afc))
+    (instances
+      (project "phase_shift_oscil_caps"
+        (path "/6e6745fe-e05e-40f8-8a38-17d94ad7adc6"
+          (reference "R4") (unit 1)
+        )
+      )
+    )
+  )
+
+  (symbol (lib_id "Device:C") (at 146.05 95.25 0) (unit 1)
+    (in_bom yes) (on_board yes) (dnp no) (fields_autoplaced)
+    (uuid c7106757-87c5-48b0-8e62-9d42cf8b667b)
+    (property "Reference" "C6" (at 149.86 93.98 0)
+      (effects (font (size 1.27 1.27)) (justify left))
+    )
+    (property "Value" ".1u" (at 149.86 96.52 0)
+      (effects (font (size 1.27 1.27)) (justify left))
+    )
+    (property "Footprint" "" (at 147.0152 99.06 0)
+      (effects (font (size 1.27 1.27)) hide)
+    )
+    (property "Datasheet" "~" (at 146.05 95.25 0)
+      (effects (font (size 1.27 1.27)) hide)
+    )
+    (pin "2" (uuid be0a8fc3-862c-4f87-90e3-50944e11eac4))
+    (pin "1" (uuid 9e6ddb15-a90f-49d7-9918-b2cd12da7c1c))
+    (instances
+      (project "phase_shift_oscil_caps"
+        (path "/6e6745fe-e05e-40f8-8a38-17d94ad7adc6"
+          (reference "C6") (unit 1)
+        )
+      )
+    )
+  )
+
+  (symbol (lib_id "Simulation_SPICE:0") (at 97.79 137.16 0) (unit 1)
+    (in_bom yes) (on_board yes) (dnp no)
+    (uuid cd3c659b-6972-40ee-9ce0-be5412f837e5)
+    (property "Reference" "#GND04" (at 97.79 139.7 0)
+      (effects (font (size 1.27 1.27)) hide)
+    )
+    (property "Value" "0" (at 95.25 137.16 0)
+      (effects (font (size 1.27 1.27)))
+    )
+    (property "Footprint" "" (at 97.79 137.16 0)
+      (effects (font (size 1.27 1.27)) hide)
+    )
+    (property "Datasheet" "~" (at 97.79 137.16 0)
       (effects (font (size 1.27 1.27)) hide)
     )
     (pin "1" (uuid 69f2047d-c6d0-4a82-a25f-493d14daa229))
@@ -639,48 +1454,269 @@
     )
   )
 
-  (symbol (lib_id "Simulation_SPICE:0") (at 200.66 118.11 0) (unit 1)
+  (symbol (lib_id "Simulation_SPICE:0") (at 119.38 104.14 0) (unit 1)
     (in_bom yes) (on_board yes) (dnp no) (fields_autoplaced)
-    (uuid cfecabac-34d8-490b-8db8-8c2ae5587c5e)
-    (property "Reference" "#GND05" (at 200.66 120.65 0)
+    (uuid d2e35ee9-77da-4284-811c-e327a676e81c)
+    (property "Reference" "#GND09" (at 119.38 106.68 0)
       (effects (font (size 1.27 1.27)) hide)
     )
-    (property "Value" "0" (at 200.66 115.57 0)
+    (property "Value" "0" (at 119.38 101.6 0)
       (effects (font (size 1.27 1.27)))
     )
-    (property "Footprint" "" (at 200.66 118.11 0)
+    (property "Footprint" "" (at 119.38 104.14 0)
       (effects (font (size 1.27 1.27)) hide)
     )
-    (property "Datasheet" "~" (at 200.66 118.11 0)
+    (property "Datasheet" "~" (at 119.38 104.14 0)
       (effects (font (size 1.27 1.27)) hide)
     )
-    (pin "1" (uuid 4d67febc-889f-422c-bb34-7b399d41b28b))
+    (pin "1" (uuid 156b97d3-3b53-4e61-a136-0201ac4c5cf3))
     (instances
       (project "phase_shift_oscil_caps"
         (path "/6e6745fe-e05e-40f8-8a38-17d94ad7adc6"
-          (reference "#GND05") (unit 1)
+          (reference "#GND09") (unit 1)
         )
       )
     )
   )
 
-  (symbol (lib_id "Device:C") (at 120.65 109.22 0) (unit 1)
+  (symbol (lib_id "Device:R") (at 185.42 88.9 90) (unit 1)
     (in_bom yes) (on_board yes) (dnp no) (fields_autoplaced)
-    (uuid da492e88-86bb-4966-8265-352637111e13)
-    (property "Reference" "C1" (at 124.46 107.95 0)
-      (effects (font (size 1.27 1.27)) (justify left))
+    (uuid d3991ce1-364d-4bdd-882d-da69c2dfb54e)
+    (property "Reference" "R10" (at 185.42 82.55 90)
+      (effects (font (size 1.27 1.27)))
     )
-    (property "Value" ".1u" (at 124.46 110.49 0)
-      (effects (font (size 1.27 1.27)) (justify left))
+    (property "Value" "2k" (at 185.42 85.09 90)
+      (effects (font (size 1.27 1.27)))
     )
-    (property "Footprint" "" (at 121.6152 113.03 0)
+    (property "Footprint" "" (at 185.42 90.678 90)
       (effects (font (size 1.27 1.27)) hide)
     )
-    (property "Datasheet" "~" (at 120.65 109.22 0)
+    (property "Datasheet" "~" (at 185.42 88.9 0)
       (effects (font (size 1.27 1.27)) hide)
     )
-    (pin "2" (uuid f20d6ca2-e669-4055-8c73-edb44c47dede))
-    (pin "1" (uuid 0af1cb15-037a-40a7-a9d3-c6d438c9f49b))
+    (pin "2" (uuid 1863f76b-cd56-4936-83a8-ccb645253200))
+    (pin "1" (uuid 1817275a-dde1-4532-bc8b-f0fb6e9388f9))
+    (instances
+      (project "phase_shift_oscil_caps"
+        (path "/6e6745fe-e05e-40f8-8a38-17d94ad7adc6"
+          (reference "R10") (unit 1)
+        )
+      )
+    )
+  )
+
+  (symbol (lib_id "Device:C") (at 199.39 95.25 0) (unit 1)
+    (in_bom yes) (on_board yes) (dnp no) (fields_autoplaced)
+    (uuid d679ab9d-b294-404d-b4a2-51d130cb601a)
+    (property "Reference" "C8" (at 203.2 93.98 0)
+      (effects (font (size 1.27 1.27)) (justify left))
+    )
+    (property "Value" ".1u" (at 203.2 96.52 0)
+      (effects (font (size 1.27 1.27)) (justify left))
+    )
+    (property "Footprint" "" (at 200.3552 99.06 0)
+      (effects (font (size 1.27 1.27)) hide)
+    )
+    (property "Datasheet" "~" (at 199.39 95.25 0)
+      (effects (font (size 1.27 1.27)) hide)
+    )
+    (pin "2" (uuid 8ff94eae-851c-4757-987a-7ae1864c9a4c))
+    (pin "1" (uuid ab9245a9-bbd2-4f32-aa38-21fbb0d61a96))
+    (instances
+      (project "phase_shift_oscil_caps"
+        (path "/6e6745fe-e05e-40f8-8a38-17d94ad7adc6"
+          (reference "C8") (unit 1)
+        )
+      )
+    )
+  )
+
+  (symbol (lib_id "Simulation_SPICE:0") (at 86.36 137.16 0) (unit 1)
+    (in_bom yes) (on_board yes) (dnp no)
+    (uuid da75f557-88be-41b7-88d4-0f81cef3e2b4)
+    (property "Reference" "#GND08" (at 86.36 139.7 0)
+      (effects (font (size 1.27 1.27)) hide)
+    )
+    (property "Value" "0" (at 83.82 137.16 0)
+      (effects (font (size 1.27 1.27)))
+    )
+    (property "Footprint" "" (at 86.36 137.16 0)
+      (effects (font (size 1.27 1.27)) hide)
+    )
+    (property "Datasheet" "~" (at 86.36 137.16 0)
+      (effects (font (size 1.27 1.27)) hide)
+    )
+    (pin "1" (uuid 380029f5-02ff-4b86-abeb-55964153dd7a))
+    (instances
+      (project "phase_shift_oscil_caps"
+        (path "/6e6745fe-e05e-40f8-8a38-17d94ad7adc6"
+          (reference "#GND08") (unit 1)
+        )
+      )
+    )
+  )
+
+  (symbol (lib_id "Device:C") (at 119.38 95.25 0) (unit 1)
+    (in_bom yes) (on_board yes) (dnp no) (fields_autoplaced)
+    (uuid e15a5c45-8e8d-43bf-b272-446ccdeeca84)
+    (property "Reference" "C5" (at 123.19 93.98 0)
+      (effects (font (size 1.27 1.27)) (justify left))
+    )
+    (property "Value" ".1u" (at 123.19 96.52 0)
+      (effects (font (size 1.27 1.27)) (justify left))
+    )
+    (property "Footprint" "" (at 120.3452 99.06 0)
+      (effects (font (size 1.27 1.27)) hide)
+    )
+    (property "Datasheet" "~" (at 119.38 95.25 0)
+      (effects (font (size 1.27 1.27)) hide)
+    )
+    (pin "2" (uuid 37b2c639-494d-42e5-b2a3-90c4e75410a9))
+    (pin "1" (uuid b52beddc-f237-47ec-95db-7c4833b62805))
+    (instances
+      (project "phase_shift_oscil_caps"
+        (path "/6e6745fe-e05e-40f8-8a38-17d94ad7adc6"
+          (reference "C5") (unit 1)
+        )
+      )
+    )
+  )
+
+  (symbol (lib_id "Device:R") (at 105.41 88.9 90) (unit 1)
+    (in_bom yes) (on_board yes) (dnp no) (fields_autoplaced)
+    (uuid e249cc53-6a7e-4e10-ba05-f5d1e7934ebb)
+    (property "Reference" "R7" (at 105.41 82.55 90)
+      (effects (font (size 1.27 1.27)))
+    )
+    (property "Value" "2k" (at 105.41 85.09 90)
+      (effects (font (size 1.27 1.27)))
+    )
+    (property "Footprint" "" (at 105.41 90.678 90)
+      (effects (font (size 1.27 1.27)) hide)
+    )
+    (property "Datasheet" "~" (at 105.41 88.9 0)
+      (effects (font (size 1.27 1.27)) hide)
+    )
+    (pin "2" (uuid 0705e585-1744-4930-b272-9a2d0eabc6cc))
+    (pin "1" (uuid 43db8675-c1db-4a93-8859-d355f306219b))
+    (instances
+      (project "phase_shift_oscil_caps"
+        (path "/6e6745fe-e05e-40f8-8a38-17d94ad7adc6"
+          (reference "R7") (unit 1)
+        )
+      )
+    )
+  )
+
+  (symbol (lib_id "Simulation_SPICE:OPAMP") (at 86.36 88.9 0) (unit 1)
+    (in_bom yes) (on_board yes) (dnp no)
+    (uuid e727dd89-4f93-4033-89ae-8d1bc7586239)
+    (property "Reference" "U1" (at 93.98 77.47 0)
+      (effects (font (size 1.27 1.27)))
+    )
+    (property "Value" "${SIM.PARAMS}" (at 95.25 81.28 0)
+      (effects (font (size 1.27 1.27)))
+    )
+    (property "Footprint" "" (at 86.36 88.9 0)
+      (effects (font (size 1.27 1.27)) hide)
+    )
+    (property "Datasheet" "~" (at 86.36 88.9 0)
+      (effects (font (size 1.27 1.27)) hide)
+    )
+    (property "Sim.Pins" "1=in+ 2=in- 3=vcc 4=vee 5=out" (at 86.36 88.9 0)
+      (effects (font (size 1.27 1.27)) hide)
+    )
+    (property "Sim.Device" "SUBCKT" (at 86.36 88.9 0)
+      (effects (font (size 1.27 1.27)) (justify left) hide)
+    )
+    (property "Sim.Library" "${KICAD7_SYMBOL_DIR}/Simulation_SPICE.sp" (at 86.36 88.9 0)
+      (effects (font (size 1.27 1.27)) hide)
+    )
+    (property "Sim.Name" "kicad_builtin_opamp" (at 86.36 88.9 0)
+      (effects (font (size 1.27 1.27)) hide)
+    )
+    (pin "1" (uuid 0ff53aa2-0db7-4de4-892d-40f469353607))
+    (pin "3" (uuid dc04ecc6-2a28-47e6-bc48-6d4d72a09558))
+    (pin "2" (uuid 78f32101-a711-4b9b-8651-1b80eee763fc))
+    (pin "4" (uuid 837bdbd0-b661-4a04-b930-9de1b66d86a3))
+    (pin "5" (uuid b67ee664-b843-4d92-8622-48aaccbdbacf))
+    (instances
+      (project "phase_shift_oscil_caps"
+        (path "/6e6745fe-e05e-40f8-8a38-17d94ad7adc6"
+          (reference "U1") (unit 1)
+        )
+      )
+    )
+  )
+
+  (symbol (lib_id "Simulation_SPICE:0") (at 146.05 104.14 0) (unit 1)
+    (in_bom yes) (on_board yes) (dnp no) (fields_autoplaced)
+    (uuid e7409ade-2727-4671-9a5d-efd9cab73e3f)
+    (property "Reference" "#GND010" (at 146.05 106.68 0)
+      (effects (font (size 1.27 1.27)) hide)
+    )
+    (property "Value" "0" (at 146.05 101.6 0)
+      (effects (font (size 1.27 1.27)))
+    )
+    (property "Footprint" "" (at 146.05 104.14 0)
+      (effects (font (size 1.27 1.27)) hide)
+    )
+    (property "Datasheet" "~" (at 146.05 104.14 0)
+      (effects (font (size 1.27 1.27)) hide)
+    )
+    (pin "1" (uuid b859d40d-b64d-4f15-923f-51ccd2242316))
+    (instances
+      (project "phase_shift_oscil_caps"
+        (path "/6e6745fe-e05e-40f8-8a38-17d94ad7adc6"
+          (reference "#GND010") (unit 1)
+        )
+      )
+    )
+  )
+
+  (symbol (lib_id "Device:R") (at 158.75 48.26 90) (unit 1)
+    (in_bom yes) (on_board yes) (dnp no) (fields_autoplaced)
+    (uuid ef16efea-53f6-4cec-901a-8eb6e2d50660)
+    (property "Reference" "R11" (at 158.75 41.91 90)
+      (effects (font (size 1.27 1.27)))
+    )
+    (property "Value" "2k" (at 158.75 44.45 90)
+      (effects (font (size 1.27 1.27)))
+    )
+    (property "Footprint" "" (at 158.75 50.038 90)
+      (effects (font (size 1.27 1.27)) hide)
+    )
+    (property "Datasheet" "~" (at 158.75 48.26 0)
+      (effects (font (size 1.27 1.27)) hide)
+    )
+    (pin "2" (uuid d16e00b2-8cd7-44d1-9769-1bcd879a3eff))
+    (pin "1" (uuid 76e49d53-ccc9-492e-9d52-5a1a40c1663e))
+    (instances
+      (project "phase_shift_oscil_caps"
+        (path "/6e6745fe-e05e-40f8-8a38-17d94ad7adc6"
+          (reference "R11") (unit 1)
+        )
+      )
+    )
+  )
+
+  (symbol (lib_id "Device:C") (at 119.38 54.61 0) (unit 1)
+    (in_bom yes) (on_board yes) (dnp no) (fields_autoplaced)
+    (uuid f2969b26-8f9d-4da3-ba9c-593609981ea6)
+    (property "Reference" "C1" (at 123.19 53.34 0)
+      (effects (font (size 1.27 1.27)) (justify left))
+    )
+    (property "Value" ".1u" (at 123.19 55.88 0)
+      (effects (font (size 1.27 1.27)) (justify left))
+    )
+    (property "Footprint" "" (at 120.3452 58.42 0)
+      (effects (font (size 1.27 1.27)) hide)
+    )
+    (property "Datasheet" "~" (at 119.38 54.61 0)
+      (effects (font (size 1.27 1.27)) hide)
+    )
+    (pin "2" (uuid 8793fc3a-6880-4af7-b424-c876d5108022))
+    (pin "1" (uuid 0fc2600d-0a5a-42ab-b080-311df3fe8ac2))
     (instances
       (project "phase_shift_oscil_caps"
         (path "/6e6745fe-e05e-40f8-8a38-17d94ad7adc6"